20055724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 40501440

約数和(自身を除く): 20445716

約数列:

[1, 2, 4, 13, 23, 26, 41, 46, 52, 82, 92, 164, 299, 409, 533, 598, 818, 943, 1066, 1196, 1636, 1886, 2132, 3772, 5317, 9407, 10634, 12259, 16769, 18814, 21268, 24518, 33538, 37628, 49036, 67076, 122291, 217997, 244582, 385687, 435994, 489164, 771374, 871988, 1542748, 5013931, 10027862, 20055724]

約数ペア:

[(1, 20055724), (2, 10027862), (4, 5013931), (13, 1542748), (23, 871988), (26, 771374), (41, 489164), (46, 435994), (52, 385687), (82, 244582), (92, 217997), (164, 122291), (299, 67076), (409, 49036), (533, 37628), (598, 33538), (818, 24518), (943, 21268), (1066, 18814), (1196, 16769), (1636, 12259), (1886, 10634), (2132, 9407), (3772, 5317)]